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HP PageWide Enterprise Color 765 and MFP 780/785 - Removal and replacement: Document feeder roller kit (MFP models only)
This document provides the procedures to remove and replace the document feeder pickup and feed rollers, and separation pad (MFP models only) (CSR A).
Mean time to repair: 5 minutes
Service level: Basic
Before performing service
Turn the printer power off
  • Disconnect the power cable.
      warning:
    To avoid damage to the printer, turn the printer off, wait 30 seconds, and then remove the power cable before attempting to service the printer.
Use the table below to identify the correct part number for your printer. To order the part, go to www.hp.com/buy/parts.
Document feeder roller kit part number
5851-7202
Document feeder roller kit with instruction guide
Required tools
  • No special tools are required to remove or install this assembly.
After performing service
Turn the printer power on
  • Connect the power cable.
  • Use the power switch to turn the power on.
Post service test
Use the document feeder to make a copy.
  1. Remove the document feeder rollers.
    1. Open the document feeder cover.
      Figure : Open the document feeder cover
    2. Rotate the blue locking lever down.
      Figure : Rotate the blue locking lever down
    3. Slide the locking lever toward the front of the printer.
      Figure : Slide the locking lever toward the front
    4. Slide the roller to the left (callout 1), and then rotate it away from the document feeder to remove it (callout 2).
      Figure : Remove the pick roller
    5. Open the document feeder separation roller cover..
      Figure : Open the separation roller cover
    6. Raise the right edge of the separation roller (callout 1), and then slide the roller to the right (callout 2) to remove it.
      Figure : Remove the separation roller cover
  2. Unpack the replacement assembly.
    1. Dispose of the defective part.
        note:
      HP recommends responsible disposal of the defective part.
    2. Unpack the replacement part from the packaging.
        caution:
      If the replacement part is a roller or pad, avoid touching the spongy part of it. Skin oils on the roller or pad can cause paper pickup and/or print-quality problems. HP recommends using disposable gloves when handling rollers or pads or washing your hands or before touching rollers or pads.
        note:
      Make sure that all of the shipping materials (for example shipping tape) are removed from the replacement part prior to installation.
  3. Step 3: Install the document feeder rollers
    1. Install the left end of the replacement separation roller into the holder (callout 1), and then press the right side of the roller down (callout 2).
      Figure : Install the separation roller
    2. Close the roller cover.
      Figure : Close the roller cover
    3. Install the tab on the left end of the replacement pick roller assembly into the slot in the document feeder.
      Figure : Install the pick roller
    4. Slide the locking lever toward the back of the printer to secure the pick roller.
      Figure : Slide the locking lever toward the back
    5. Rotate the pick roller assembly up into the holder (callout 1), and then slide the blue locking lever toward the back of the printer (callout 2).
      Figure : Rotate the pick roller up and slide the blue locking lever towards the back
    6. Rotate the blue locking lever up.
      Figure : Rotate the blue locking lever up
    7. Close the document feeder cover.
      Figure : Close the document feeder cover
    8. At the printer control panel, do the following:
    1. Scroll to, and then select the Settings button.
    2. Open the following menus:
      • Manage Supplies
      • Reset Supplies
    3. Select the Document Feeder Kit item, and then select the Reset button.

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